Retaining piece for drinking bottle



FIG. 1 a perspective view of a retaining piece for drinking bottle showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross sectional view taking along line 8-8 of FIG. 6. 

CLAIM The ornamental design for a retaining piece for drinking bottle, as shown and described. 